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<h2><span class="refentrytitle">Global on_exec_error</span></h2>
<p>boost::process::extend::on_exec_error — This handler is invoked if the exec call errored. The required signature is <code class="computeroutput">void(auto &amp; exec)</code>, where <code class="computeroutput">Exec</code> is a template parameter. </p>
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<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../process/reference.html#header.boost.process.extend_hpp" title="Header &lt;boost/process/extend.hpp&gt;">boost/process/extend.hpp</a>&gt;

</span><span class="emphasis"><em><span class="identifier">unspecified</span></em></span> on_exec_error<span class="special">;</span></pre></div>
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<a name="id-1.3.29.10.14.15.4"></a><h2>Description</h2>
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<tr><td align="left" valign="top"><p>Only available on posix. </p></td></tr>
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